`6.0` g weak acid HA (mol.mass=60 g/mol.) is dissolved in water and formed 10 `m^(3)` solution. If `K_(a)(HA)=10^(-9),` then pOH of solution is : [Given: log 4=0.6]
A buffer solution contains 0.04 M HA and 0.01 M CaA_(2) . If K_(b) of A^(-) is 10^(-12) then pH of buffer solution is Given : log 2 = 0.3
6.0 g of urea (molecular mass = 60) was dissolved in 9.9 moles of water. If the vapour pressure of pure water is P^(@) , the vapour pressure of solution is :
% dissociation of a 0.024M solution of a weak acid HA(K_(a)=2xx10^(-3)) is :
13.5 g of an acid HA of molecular mass 135 was dissolved in 10 litres of aqueous solution Calculate the pH of the solution assuming the acid to be completely dissociated.
13.5 g of an acid HA of molecular mass 135 was dissolved in 10 litres of aqueous solution Calculate the pH of the solution assuming the acid to be completely dissociated.
5 g of a polymer of molecular mass 50kg mol^(-1) is dissolved in 1dm^(3) solution. If the density of this solution is 0.96 kg dm^(-3) at 300K, the height of solution that will represent this pressure is:
If 3g of glucose (molecular mass 180) is dissolved in 60g of water at 15^(@)C , then the osmotic pressure of this solution will be :
For a weak base BOH,K_(b)=10^(-4) .Calculate pH of 10^(-4)BOH solution. (Take log6.2=0.79)
If K_(a) of a weak acid is 4xx10^(-6) and its concentration is 0.01 M. Find pH of solution
If K_(a) of a weak acid is 4xx10^(-6) and its concentration is 0.1 M. Find pH of solution
